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Postproxy - Engagement API

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Unified social media API for publishing, engagement, and analytics

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Tracked since2026
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The Bottom Line

Entry price

Free plan available, paid tiers above

Biggest pro

Significantly reduces development time for social media integrations

Biggest con

Limited list of currently supported social media platforms

TL;DR - Postproxy - Engagement API

  • Unifies social media publishing, comments, and DMs into a single API.
  • Simplifies integration for SaaS, automation, and agencies with SDKs and REST endpoints.
  • Provides robust infrastructure, security, and compliance for reliable social workflows.
Pricing: Free plan available
Best for: Growing teams

What is Postproxy - Engagement API?

Editorial review
Postproxy is a unified social media API designed to streamline social media workflows for SaaS products, automation pipelines, and agencies. It replaces the need for per-platform integrations by offering a single API for publishing posts, managing comments, responding to direct messages, and accessing analytics across various social networks. This allows developers to integrate social features in minutes, not weeks, with official SDKs and REST API endpoints. The platform is built for reliability and scalability, handling delivery, retries, and per-platform status outcomes. It supports agentic flows with OpenClaw and integrates with popular automation tools like n8n, Make, and Zapier. Postproxy emphasizes security and compliance, running on EU infrastructure with enterprise-grade encryption and GDPR compliance, with SOC 2 Type II certification in progress. It caters to businesses looking to embed social features, automate social interactions, or manage multiple client accounts efficiently.

Pros & Cons

Pros

  • Significantly reduces development time for social media integrations
  • Consolidates multiple social platform APIs into one, simplifying management
  • Provides robust infrastructure with retries and clear per-platform outcomes
  • Strong focus on security, data privacy, and compliance (EU hosting, GDPR, SOC 2)
  • Supports complex workflows for SaaS embeds, automation, and agency management

Cons

  • Limited list of currently supported social media platforms
  • Advanced features like agentic flows may require technical expertise to implement fully

Key Features

Unified API for posts, comments, and direct messagesSupport for Instagram, Twitter, LinkedIn, and Bluesky (with more coming)Official SDKs for Node, Python, Ruby, and other languagesSingle payload for multi-platform publishing with platform-specific mappingFull engagement flow for replying to comments, DMs, and managing reviewsAnalytics and transparency with statuses, timestamps, logs, and webhooksAgentic flows with MCP server, skills, and OpenClaw supportIntegrations with n8n, Make, Zapier, and Needle

Pricing Plans

Pricing checked Jul 5, 2026

Free

$0 always free

  • 2 Profile Groups/ Brands
  • 11 platforms/group = up to 22 profiles
  • 10 posts/mo
  • 20 engagements/ mo

Build

$17 / mo billed monthly

  • 10 Profile Groups/ Brands
  • 11 platforms/group = up to 110 profiles
  • 120 posts/mo
  • 240 engagements/ mo
  • Dedicated onboarding support

Grow

$49 / mo billed monthly

  • 20 Profile Groups/ Brands
  • 11 platforms/group = up to 220 profiles
  • Unlimited posts
  • Unlimited engagements
  • Dedicated onboarding support

Scale

$99 / mo billed monthly

  • 50 Profile Groups/ Brands
  • 11 platforms/group = up to 550 profiles
  • Unlimited posts
  • Unlimited engagements
  • SSO
  • Dedicated onboarding support

Enterprise

$699 / mo billed monthly

  • 500 Profile Groups/ Brands
  • 11 platforms/group = up to 5,500 profiles
  • Unlimited posts
  • Unlimited engagements
  • SSO
  • Dedicated onboarding support

How Postproxy - Engagement API's pricing compares

At $17/mo, Postproxy - Engagement API is mid-range of its 5 direct competitors ($5 to $199/mo across the set).

Postproxy - Engagement API
$17

Entry paid plan, monthly. Pricing checked Jul 5, 2026.

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Postproxy - Engagement API FAQ

How does Postproxy streamline social media workflows for businesses?

Postproxy unifies social media interactions through a single API, eliminating the need for separate integrations with each social platform. This allows businesses to manage publishing, comments, direct messages, and analytics from one interface, significantly reducing development time for social features.

Which teams benefit most from using Postproxy?

Postproxy is ideal for SaaS products, automation pipelines, and agencies that need to embed social features, automate social interactions, or efficiently manage multiple client accounts. It simplifies the technical overhead of integrating with various social networks.

How does Postproxy compare to Buffer for social media management?

Postproxy provides a unified API for developers to integrate social media functionalities directly into their own products and automation tools, whereas Buffer is an end-user application focused on scheduling and publishing content. Postproxy is designed for building social features, not as a direct social media management platform itself.

What kind of limitations should users be aware of with Postproxy?

Postproxy currently supports a limited number of social media platforms. Additionally, implementing advanced features like agentic flows may require specific technical expertise to fully leverage within an existing system.

How is Postproxy priced?

Postproxy offers a free tier for users to get started, with paid plans available that provide access to more usage and advanced features. This allows users to scale their usage according to their needs.

Can Postproxy integrate with existing marketing automation tools?

Yes, Postproxy is designed to integrate with popular automation tools such as n8n, Make, and Zapier. This allows users to incorporate social media functionalities into their broader marketing automation workflows.

How does Postproxy ensure data security and compliance?

Postproxy runs on EU infrastructure with enterprise-grade encryption and is GDPR compliant. It is also actively pursuing SOC 2 Type II certification, demonstrating a strong commitment to data privacy and security standards.

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